There are 50% chances of AB or AA blood type in the children. Phenotype Type A or type AB.
Explanation:
Woman have blood type AB
Man is homozygous type A blood having alleles AA
The cross between them is shown in punnet square.
A A
A AA AA
B AB AB
there will be chance of 50% of type AB or type A.
The genotype ratio is 1:1
phenotype Type A or type AB.
there is 50% probability in the children to have either type A or type AB blood groups.
Type AB blood group individuals have both antigen A and B. They are called universal recipient.